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The muscles connected to the ears of a human do not develop enough to have the same mobility allowed to monkeys. Arrows show the vestigial structure called Darwin's tubercle. In the context of human evolution, vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution. Although ...
Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. [1] Assessment of the vestigiality must generally rely on comparison with homologous features in related species.
This phenomenon is an automatic-response mechanism that activates even before a human becomes consciously aware that a startling, unexpected or unknown sound has been "heard". [2] That this vestigial response occurs even before becoming consciously aware of a startling noise would explain why the function of ear-perking had evolved in animals.
Transgender studies, also called trans studies or trans* studies, is an interdisciplinary field of academic research dedicated to the study of gender identity, gender expression, and gender embodiment, as well as to the study of various issues of relevance to transgender and gender variant populations. [1]
Human ethology is the study of human behavior. Ethology as a discipline is generally thought of as a sub-category of biology, though psychological theories have been developed based on ethological ideas (e.g. sociobiology, evolutionary psychology, attachment theory, and theories about human universals such as gender differences, incest avoidance, mourning, hierarchy and pursuit of possession).
Graves's emergent cyclical levels of existence (E-C theory or ECLET) is a theory of adult human development constructed from experimental data by Union College professor of psychology Clare W. Graves. It produces an open-ended series of levels, [1] and has been used as a basis for Spiral Dynamics [2] and other managerial and philosophical ...
This also seems somewhat less dubious, both as a human-specific vestigiality, and the the variation seems to be less possibly accidental, but actually representing different degrees of vestigiality (which is not to place any particular continent population at any hierarchical "kickass" or "loser" place on the "evolutionary scale", not even as ...
In his paper, Matsuzawa claims that his tradeoff theory has support from a phylogenetic as well as ontogenetic perspective. In human beings, the youth often outperform adults on certain memory tasks. In the course of cognitive development, human children may acquire linguistic skills at the cost of possessing a chimpanzee-like photographic memory.